[INFO] cloning repository https://github.com/Phimos/rust-learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Phimos/rust-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhimos%2Frust-learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhimos%2Frust-learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 85f75f865e47c9841e3c69f3836b00dbead9b46d
[INFO] checking Phimos/rust-learn against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhimos%2Frust-learn" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Phimos/rust-learn
[INFO] finished tweaking git repo https://github.com/Phimos/rust-learn
[INFO] tweaked toml for git repo https://github.com/Phimos/rust-learn written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Phimos/rust-learn on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Phimos/rust-learn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thrift v0.13.0
[INFO] [stderr]   Downloaded snap v1.0.5
[INFO] [stderr]   Downloaded integer-encoding v1.1.7
[INFO] [stderr]   Downloaded parquet-format v4.0.0
[INFO] [stderr]   Downloaded ordered-float v1.1.1
[INFO] [stderr]   Downloaded lz4 v1.23.3
[INFO] [stderr]   Downloaded multiversion v0.6.1
[INFO] [stderr]   Downloaded multiversion-macros v0.6.1
[INFO] [stderr]   Downloaded miniz_oxide v0.5.3
[INFO] [stderr]   Downloaded quote v1.0.20
[INFO] [stderr]   Downloaded flatbuffers v2.1.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.40
[INFO] [stderr]   Downloaded unicode-ident v1.0.2
[INFO] [stderr]   Downloaded serde_derive v1.0.140
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[INFO] [stderr]   Downloaded serde v1.0.140
[INFO] [stderr]   Downloaded serde_json v1.0.82
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[INFO] [stderr]   Downloaded arrow v18.0.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c1e3873f51ce9cd5bdf989db287406184ca8ea3fe2cfae2358c9a32c9db1a75
[INFO] running `Command { std: "docker" "start" "-a" "3c1e3873f51ce9cd5bdf989db287406184ca8ea3fe2cfae2358c9a32c9db1a75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c1e3873f51ce9cd5bdf989db287406184ca8ea3fe2cfae2358c9a32c9db1a75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c1e3873f51ce9cd5bdf989db287406184ca8ea3fe2cfae2358c9a32c9db1a75", kill_on_drop: false }`
[INFO] [stdout] 3c1e3873f51ce9cd5bdf989db287406184ca8ea3fe2cfae2358c9a32c9db1a75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20cdf0792f8a7f6ea690e11b9add530bbacec2d1490c2c384bdbfddf531a4ee9
[INFO] running `Command { std: "docker" "start" "-a" "20cdf0792f8a7f6ea690e11b9add530bbacec2d1490c2c384bdbfddf531a4ee9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]     Checking lexical-util v0.8.5
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde v1.0.140
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]     Checking lexical-write-integer v0.8.5
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking lexical-parse-integer v0.8.6
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.140
[INFO] [stderr]     Checking alloc-stdlib v0.2.1
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking lexical-parse-float v0.8.5
[INFO] [stderr]     Checking lexical-write-float v0.8.5
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking num-complex v0.4.2
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling snap v1.0.5
[INFO] [stderr]     Checking integer-encoding v1.1.7
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]    Compiling zstd-sys v2.0.1+zstd.1.5.2
[INFO] [stderr]    Compiling lz4-sys v1.9.3
[INFO] [stderr]     Checking thrift v0.13.0
[INFO] [stderr]     Checking lexical-core v0.8.5
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking brotli-decompressor v2.3.2
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling parquet v18.0.0
[INFO] [stderr]     Checking half v2.1.0
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking parquet-format v4.0.0
[INFO] [stderr]     Checking brotli v3.3.4
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking bytes v1.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling multiversion-macros v0.6.1
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking flatbuffers v2.1.2
[INFO] [stderr]     Checking multiversion v0.6.1
[INFO] [stderr]     Checking arrow v18.0.0
[INFO] [stderr]     Checking lz4 v1.23.3
[INFO] [stderr]     Checking zstd v0.11.2+zstd.1.5.2
[INFO] [stderr]     Checking swag v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |     for i in 0..window_size {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |     for i in 0..data.size_hint().0 {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |     for i in 0..window_size {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |     for i in 0..data.size_hint().0 {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 49.84s
[INFO] running `Command { std: "docker" "inspect" "20cdf0792f8a7f6ea690e11b9add530bbacec2d1490c2c384bdbfddf531a4ee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20cdf0792f8a7f6ea690e11b9add530bbacec2d1490c2c384bdbfddf531a4ee9", kill_on_drop: false }`
[INFO] [stdout] 20cdf0792f8a7f6ea690e11b9add530bbacec2d1490c2c384bdbfddf531a4ee9
